(1756–1836)US Democratic Republican statesman. After losing the presidential election to Jefferson in 1800, Burr was elected Vice-President. He was defeated in the contest for the governorship of New ...

An ancient device for performing arithmetic calculations by sliding beads along rods or in grooves. Despite the spread of electronic calculators and computers, the abacus is still widely used in the ...

An inference process widely used in artificial intelligence, particularly in expert systems and rule-based systems. In diagnosis, for example, there may be a rule like “if measles then red spots” so ...

There is no actual prohibition in the Bible against aborting a foetus. Nevertheless, in the unanimously accepted Jewish consensus, abortion is a very serious offence, though foeticide is not treated ...

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